<h1>Acknowledgements</h1>
<p>
Portions of this Software(Dust3D) may utilize the following copyrighted material, the use of which is hereby acknowledged.
And thanks to the reddit users who had encouraged and gave me invaluable advices on the first day of Dust3D, especially:
<pre>
Ardx_5          https://www.reddit.com/user/Ardx_5
clawjelly       https://www.reddit.com/user/clawjelly
Mattho          https://www.reddit.com/user/Mattho
fragileteeth    https://www.reddit.com/user/fragileteeth
MoffKalast      https://www.reddit.com/user/MoffKalast
qotob           https://www.reddit.com/user/qotob
Pfaeff          https://www.reddit.com/user/Pfaeff
H4kor           https://www.reddit.com/user/H4kor
Aphix           https://www.reddit.com/user/Aphix
qbz             https://www.reddit.com/user/qbz
humanmanguy     https://www.reddit.com/user/humanmanguy
Qbit42          https://www.reddit.com/user/Qbit42
RandomNPC15     https://www.reddit.com/user/RandomNPC15
a1studmuffin    https://www.reddit.com/user/a1studmuffin
fragileteeth    https://www.reddit.com/user/fragileteeth

* In the order of reddit website at the time of writing
https://www.reddit.com/r/gamedev/comments/5iuf3h/i_am_writting_a_3d_monster_model_generate_tool/
</pre>
</p>

<h1>QtAwesome</h1>
<pre>
    MIT License
    ===========

    Copyright 2013-2015 [Reliable Bits Software by Blommers IT](http://blommersit.nl). All Rights Reserved.
    Author [Rick Blommers](mailto:rick@blommersit.nl)

    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
    documentation files (the "Software"), to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
    and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
    THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
    OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


    Font Awesome License
    ====================

    [https://github.com/FortAwesome/Font-Awesome](https://github.com/FortAwesome/Font-Awesome)

    The Font Awesome font is licensed under the SIL Open Font License - [http://scripts.sil.org/OFL](http://scripts.sil.org/OFL)
    The Font Awesome pictograms are licensed under the CC BY 3.0 License - [http://creativecommons.org/licenses/by/3.0/](http://creativecommons.org/licenses/by/3.0/)
    "Font Awesome by Dave Gandy - http://fortawesome.github.com/Font-Awesome"
</pre>

<h1>CGAL</h1>
<pre>
    LICENSE
    ----------------------------------------------------------------------------

    The CGAL software consists of several parts, each of which is licensed under
    an open source license. It is also possible to obtain commercial licenses
    from GeometryFactory (www.geometryfactory.com) for all or parts of CGAL.

    The source code of the CGAL library can be found in the directories
    "src/CGAL", "src/CGALQt", "src/CGALQt5" and "include/CGAL" (with the
    exception of "include/CGAL/CORE", "include/CGAL/OpenNL").
    It is specified in each file of the CGAL library which
    license applies to it. This is either the GNU General Public License
    or the GNU Lesser General Public License (as published by the Free Software
    Foundation; either version 3 of the License or (at your option) any later
    version). The texts of both licenses can be found in the files LICENSE.GPL
    and LICENSE.LGPL.

    The following files are modified versions taken from Boost and are licensed
    under the Boost Software License (see LICENSE.BSL).
    - include/CGAL/auto_link/auto_link.h
    - include/CGAL/internal/container_fwd_fixed.hpp
    - include/CGAL/internal/boost/array_binary_tree.hpp
    - include/CGAL/internal/boost/mutable_heap.hpp
    - include/CGAL/internal/boost/mutable_queue.hpp

    Distributed along with CGAL (for the users' convenience), but not part of
    CGAL, are the following third-party libraries, available under their own
    licenses:

    - CORE, in the directories "include/CGAL/CORE" and "src/CGAL_Core", is
        licensed under the LGPL (see LICENSE.LGPL).
    - ImageIO, in the directory "src/CGAL_ImageIO", is licensed under the LGPL
        (see LICENSE.LGPL).
    - OpenNL, in the directory "include/CGAL/OpenNL", is licensed under the LGPL
        (see LICENSE.LGPL).

    All other files that do not have an explicit copyright notice (e.g., all
    examples and some demos) are licensed under a very permissive license. The
    exact license text can be found in the file LICENSE.FREE_USE.

    More information on the CGAL license can be found at
    https://www.cgal.org/license.html
</pre>

<h1>cgmath</h1>
<pre>
        Apache License
        Version 2.0, January 2004
        http://www.apache.org/licenses/

    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

    1. Definitions.

    "License" shall mean the terms and conditions for use, reproduction,
    and distribution as defined by Sections 1 through 9 of this document.

    "Licensor" shall mean the copyright owner or entity authorized by
    the copyright owner that is granting the License.

    "Legal Entity" shall mean the union of the acting entity and all
    other entities that control, are controlled by, or are under common
    control with that entity. For the purposes of this definition,
    "control" means (i) the power, direct or indirect, to cause the
    direction or management of such entity, whether by contract or
    otherwise, or (ii) ownership of fifty percent (50%) or more of the
    outstanding shares, or (iii) beneficial ownership of such entity.

    "You" (or "Your") shall mean an individual or Legal Entity
    exercising permissions granted by this License.

    "Source" form shall mean the preferred form for making modifications,
    including but not limited to software source code, documentation
    source, and configuration files.

    "Object" form shall mean any form resulting from mechanical
    transformation or translation of a Source form, including but
    not limited to compiled object code, generated documentation,
    and conversions to other media types.

    "Work" shall mean the work of authorship, whether in Source or
    Object form, made available under the License, as indicated by a
    copyright notice that is included in or attached to the work
    (an example is provided in the Appendix below).

    "Derivative Works" shall mean any work, whether in Source or Object
    form, that is based on (or derived from) the Work and for which the
    editorial revisions, annotations, elaborations, or other modifications
    represent, as a whole, an original work of authorship. For the purposes
    of this License, Derivative Works shall not include works that remain
    separable from, or merely link (or bind by name) to the interfaces of,
    the Work and Derivative Works thereof.

    "Contribution" shall mean any work of authorship, including
    the original version of the Work and any modifications or additions
    to that Work or Derivative Works thereof, that is intentionally
    submitted to Licensor for inclusion in the Work by the copyright owner
    or by an individual or Legal Entity authorized to submit on behalf of
    the copyright owner. For the purposes of this definition, "submitted"
    means any form of electronic, verbal, or written communication sent
    to the Licensor or its representatives, including but not limited to
    communication on electronic mailing lists, source code control systems,
    and issue tracking systems that are managed by, or on behalf of, the
    Licensor for the purpose of discussing and improving the Work, but
    excluding communication that is conspicuously marked or otherwise
    designated in writing by the copyright owner as "Not a Contribution."

    "Contributor" shall mean Licensor and any individual or Legal Entity
    on behalf of whom a Contribution has been received by Licensor and
    subsequently incorporated within the Work.

    2. Grant of Copyright License. Subject to the terms and conditions of
    this License, each Contributor hereby grants to You a perpetual,
    worldwide, non-exclusive, no-charge, royalty-free, irrevocable
    copyright license to reproduce, prepare Derivative Works of,
    publicly display, publicly perform, sublicense, and distribute the
    Work and such Derivative Works in Source or Object form.

    3. Grant of Patent License. Subject to the terms and conditions of
    this License, each Contributor hereby grants to You a perpetual,
    worldwide, non-exclusive, no-charge, royalty-free, irrevocable
    (except as stated in this section) patent license to make, have made,
    use, offer to sell, sell, import, and otherwise transfer the Work,
    where such license applies only to those patent claims licensable
    by such Contributor that are necessarily infringed by their
    Contribution(s) alone or by combination of their Contribution(s)
    with the Work to which such Contribution(s) was submitted. If You
    institute patent litigation against any entity (including a
    cross-claim or counterclaim in a lawsuit) alleging that the Work
    or a Contribution incorporated within the Work constitutes direct
    or contributory patent infringement, then any patent licenses
    granted to You under this License for that Work shall terminate
    as of the date such litigation is filed.

    4. Redistribution. You may reproduce and distribute copies of the
    Work or Derivative Works thereof in any medium, with or without
    modifications, and in Source or Object form, provided that You
    meet the following conditions:

    (a) You must give any other recipients of the Work or
    Derivative Works a copy of this License; and

    (b) You must cause any modified files to carry prominent notices
    stating that You changed the files; and

    (c) You must retain, in the Source form of any Derivative Works
    that You distribute, all copyright, patent, trademark, and
    attribution notices from the Source form of the Work,
    excluding those notices that do not pertain to any part of
    the Derivative Works; and

    (d) If the Work includes a "NOTICE" text file as part of its
    distribution, then any Derivative Works that You distribute must
    include a readable copy of the attribution notices contained
    within such NOTICE file, excluding those notices that do not
    pertain to any part of the Derivative Works, in at least one
    of the following places: within a NOTICE text file distributed
    as part of the Derivative Works; within the Source form or
    documentation, if provided along with the Derivative Works; or,
    within a display generated by the Derivative Works, if and
    wherever such third-party notices normally appear. The contents
    of the NOTICE file are for informational purposes only and
    do not modify the License. You may add Your own attribution
    notices within Derivative Works that You distribute, alongside
    or as an addendum to the NOTICE text from the Work, provided
    that such additional attribution notices cannot be construed
    as modifying the License.

    You may add Your own copyright statement to Your modifications and
    may provide additional or different license terms and conditions
    for use, reproduction, or distribution of Your modifications, or
    for any such Derivative Works as a whole, provided Your use,
    reproduction, and distribution of the Work otherwise complies with
    the conditions stated in this License.

    5. Submission of Contributions. Unless You explicitly state otherwise,
    any Contribution intentionally submitted for inclusion in the Work
    by You to the Licensor shall be under the terms and conditions of
    this License, without any additional terms or conditions.
    Notwithstanding the above, nothing herein shall supersede or modify
    the terms of any separate license agreement you may have executed
    with Licensor regarding such Contributions.

    6. Trademarks. This License does not grant permission to use the trade
    names, trademarks, service marks, or product names of the Licensor,
    except as required for reasonable and customary use in describing the
    origin of the Work and reproducing the content of the NOTICE file.

    7. Disclaimer of Warranty. Unless required by applicable law or
    agreed to in writing, Licensor provides the Work (and each
    Contributor provides its Contributions) on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    implied, including, without limitation, any warranties or conditions
    of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
    PARTICULAR PURPOSE. You are solely responsible for determining the
    appropriateness of using or redistributing the Work and assume any
    risks associated with Your exercise of permissions under this License.

    8. Limitation of Liability. In no event and under no legal theory,
    whether in tort (including negligence), contract, or otherwise,
    unless required by applicable law (such as deliberate and grossly
    negligent acts) or agreed to in writing, shall any Contributor be
    liable to You for damages, including any direct, indirect, special,
    incidental, or consequential damages of any character arising as a
    result of this License or out of the use or inability to use the
    Work (including but not limited to damages for loss of goodwill,
    work stoppage, computer failure or malfunction, or any and all
    other commercial damages or losses), even if such Contributor
    has been advised of the possibility of such damages.

    9. Accepting Warranty or Additional Liability. While redistributing
    the Work or Derivative Works thereof, You may choose to offer,
    and charge a fee for, acceptance of support, warranty, indemnity,
    or other liability obligations and/or rights consistent with this
    License. However, in accepting such obligations, You may act only
    on Your own behalf and on Your sole responsibility, not on behalf
    of any other Contributor, and only if You agree to indemnify,
    defend, and hold each Contributor harmless for any liability
    incurred by, or claims asserted against, such Contributor by reason
    of your accepting any such warranty or additional liability.

    END OF TERMS AND CONDITIONS

    APPENDIX: How to apply the Apache License to your work.

    To apply the Apache License to your work, attach the following
    boilerplate notice, with the fields enclosed by brackets "[]"
    replaced with your own identifying information. (Don't include
    the brackets!)  The text should be enclosed in the appropriate
    comment syntax for the file format. We also recommend that a
    file or class name and description of purpose be included on the
    same "printed page" as the copyright notice for easier
    identification within third-party archives.

    Copyright [yyyy] [name of copyright owner]

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
</pre>

<h1>petgraph</h1>
<pre>
    Copyright (c) 2015

    Permission is hereby granted, free of charge, to any
    person obtaining a copy of this software and associated
    documentation files (the "Software"), to deal in the
    Software without restriction, including without
    limitation the rights to use, copy, modify, merge,
    publish, distribute, sublicense, and/or sell copies of
    the Software, and to permit persons to whom the Software
    is furnished to do so, subject to the following
    conditions:

    The above copyright notice and this permission notice
    shall be included in all copies or substantial portions
    of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
    ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
    TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
    PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
    SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
    IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    DEALINGS IN THE SOFTWARE.
</pre>

<h1>meshlite</h1>
<pre>
    MIT License

    Copyright (c) 2018 XingYi Hu

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
</pre>

<h1>Reza Nourai</h1>
<pre>
    https://blogs.msdn.microsoft.com/rezanour/2011/08/07/barycentric-coordinates-and-point-in-triangle-tests/
</pre>

<h1>Cyranose</h1>
<pre>
    https://www.opengl.org/discussion_boards/showthread.php/159385-Deriving-angles-from-0-to-360-from-Dot-Product
</pre>

<h1>Dan Sunday</h1>
<pre>
    http://geomalgorithms.com/index.html
</pre>

<h1>user3146587</h1>
<pre>
    https://stackoverflow.com/questions/21114796/3d-ray-quad-intersection-test-in-java
</pre>

<h1>Qt</h1>
<pre>
    https://www.qt.io/
</pre>

<h1>Qt Dark Theme</h1>
<pre>
    https://gist.github.com/QuantumCD/6245215
</pre>

<h1>A Browser for QDebug Log Output</h1>
<pre>
    https://wiki.qt.io/Browser_for_QDebug_output
</pre>

<h1>Hello GL2 Example</h1>
<pre>
    http://doc.qt.io/qt-5/qtopengl-hellogl2-example.html
</pre>

<h1>Jimmy Gunawan</h1>
<pre>
    INSPIRATION / Pixar Monster Factory Part One
    http://blendersushi.blogspot.com.au/2013/06/inspiration-pixar-monster-factory-part.html
</pre>

<h1>Zhongping Ji, Ligang Liu, Yigang Wang</h1>
<pre>
    B-Mesh: A Fast Modeling System for Base Meshes of 3D Articulated Shapes
    http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.357.7134&rep=rep1&type=pdf
</pre>

<h1>danielhst</h1>
<pre>
    https://github.com/danielhst/3d-Hull-gift-wrap/blob/master/giftWrap.lua
</pre>

<h1>Catmull–Clark subdivision surface/C</h1>
<pre>
    https://rosettacode.org/wiki/Catmull%E2%80%93Clark_subdivision_surface/C
</pre>

<h1>JSON for Modern C++</h1>
<pre>
    MIT License

    Copyright (c) 2013-2018 Niels Lohmann

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
</pre>

<h1>thekla_atlas</h1>
<pre>
    Copyright (c) 2013 Thekla, Inc


    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
</pre>

<h1>nvmesh</h1>
<pre>
    public domain -- Ignacio Castaño <castano@gmail.com>
</pre>

<h1>poshlib</h1>
<pre>
    Copyright (c) 2004, Brian Hook
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
    met:

        * Redistributions of source code must retain the above copyright
            notice, this list of conditions and the following disclaimer.

        * Redistributions in binary form must reproduce the above
            copyright notice, this list of conditions and the following
            disclaimer in the documentation and/or other materials provided
            with the distribution.

        * The names of this package'ss contributors contributors may not
            be used to endorse or promote products derived from this
            software without specific prior written permission.


    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</pre>

<h1>QtWaitingSpinner</h1>
<pre>
    The MIT License (MIT)

    Original Work Copyright (c) 2012-2015 Alexander Turkin
    Modified 2014 by William Hallatt

    Permission is hereby granted, free of charge, to any person obtaining a copy of
    this software and associated documentation files (the "Software"), to deal in
    the Software without restriction, including without limitation the rights to
    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
    the Software, and to permit persons to whom the Software is furnished to do so,
    subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
    FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
    COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
    IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
</pre>

<h1>lightmapper</h1>
<pre>
    /***********************************************************
    * A single header file OpenGL lightmapping library         *
    * https://github.com/ands/lightmapper                      *
    * no warranty implied | use at your own risk               *
    * author: Andreas Mantler (ands) | last change: 30.04.2018 *
    *                                                          *
    * License:                                                 *
    * This software is in the public domain.                   *
    * Where that dedication is not recognized,                 *
    * you are granted a perpetual, irrevocable license to copy *
    * and modify this file however you want.                   *
    ***********************************************************/
</pre>

<h1>AppImage</h1>
<pre>
    https://appimage.org/
</pre>

<h1>Sam Hocevar</h1>
<pre>
    https://gamedev.stackexchange.com/questions/98246/quaternion-slerp-and-lerp-implementation-with-overshoot
    http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl
</pre>

<h1>David Rosen</h1>
<pre>
    An Indie Approach to Procedural Animation
    http://www.gdcvault.com/play/1020583/Animation-Bootcamp-An-Indie-Approach
</pre>

<h1>Qt3D</h1>
<pre>
    /****************************************************************************
    **
    ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
    ** Contact: https://www.qt.io/licensing/
    **
    ** This file is part of the Qt3D module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
    ** Software or, alternatively, in accordance with the terms contained in
    ** a written agreement between you and The Qt Company. For licensing terms
    ** and conditions see https://www.qt.io/terms-conditions. For further
    ** information use the contact form at https://www.qt.io/contact-us.
    **
    ** BSD License Usage
    ** Alternatively, you may use this file under the terms of the BSD license
    ** as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of The Qt Company Ltd nor the names of its
    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/
</pre>

<h1>Joey de Vries</h1>
<pre>
    https://learnopengl.com
</pre>

<h1>libigl</h1>
<pre>
    Mozilla Public License Version 2.0
    ==================================
    
    1. Definitions
    --------------
    
    1.1. "Contributor"
        means each individual or legal entity that creates, contributes to
        the creation of, or owns Covered Software.
    
    1.2. "Contributor Version"
        means the combination of the Contributions of others (if any) used
        by a Contributor and that particular Contributor's Contribution.
    
    1.3. "Contribution"
        means Covered Software of a particular Contributor.
    
    1.4. "Covered Software"
        means Source Code Form to which the initial Contributor has attached
        the notice in Exhibit A, the Executable Form of such Source Code
        Form, and Modifications of such Source Code Form, in each case
        including portions thereof.
    
    1.5. "Incompatible With Secondary Licenses"
        means
    
        (a) that the initial Contributor has attached the notice described
            in Exhibit B to the Covered Software; or
    
        (b) that the Covered Software was made available under the terms of
            version 1.1 or earlier of the License, but not also under the
            terms of a Secondary License.
    
    1.6. "Executable Form"
        means any form of the work other than Source Code Form.
    
    1.7. "Larger Work"
        means a work that combines Covered Software with other material, in 
        a separate file or files, that is not Covered Software.
    
    1.8. "License"
        means this document.
    
    1.9. "Licensable"
        means having the right to grant, to the maximum extent possible,
        whether at the time of the initial grant or subsequently, any and
        all of the rights conveyed by this License.
    
    1.10. "Modifications"
        means any of the following:
    
        (a) any file in Source Code Form that results from an addition to,
            deletion from, or modification of the contents of Covered
            Software; or
    
        (b) any new file in Source Code Form that contains any Covered
            Software.
    
    1.11. "Patent Claims" of a Contributor
        means any patent claim(s), including without limitation, method,
        process, and apparatus claims, in any patent Licensable by such
        Contributor that would be infringed, but for the grant of the
        License, by the making, using, selling, offering for sale, having
        made, import, or transfer of either its Contributions or its
        Contributor Version.
    
    1.12. "Secondary License"
        means either the GNU General Public License, Version 2.0, the GNU
        Lesser General Public License, Version 2.1, the GNU Affero General
        Public License, Version 3.0, or any later versions of those
        licenses.
    
    1.13. "Source Code Form"
        means the form of the work preferred for making modifications.
    
    1.14. "You" (or "Your")
        means an individual or a legal entity exercising rights under this
        License. For legal entities, "You" includes any entity that
        controls, is controlled by, or is under common control with You. For
        purposes of this definition, "control" means (a) the power, direct
        or indirect, to cause the direction or management of such entity,
        whether by contract or otherwise, or (b) ownership of more than
        fifty percent (50%) of the outstanding shares or beneficial
        ownership of such entity.
    
    2. License Grants and Conditions
    --------------------------------
    
    2.1. Grants
    
    Each Contributor hereby grants You a world-wide, royalty-free,
    non-exclusive license:
    
    (a) under intellectual property rights (other than patent or trademark)
        Licensable by such Contributor to use, reproduce, make available,
        modify, display, perform, distribute, and otherwise exploit its
        Contributions, either on an unmodified basis, with Modifications, or
        as part of a Larger Work; and
    
    (b) under Patent Claims of such Contributor to make, use, sell, offer
        for sale, have made, import, and otherwise transfer either its
        Contributions or its Contributor Version.
    
    2.2. Effective Date
    
    The licenses granted in Section 2.1 with respect to any Contribution
    become effective for each Contribution on the date the Contributor first
    distributes such Contribution.
    
    2.3. Limitations on Grant Scope
    
    The licenses granted in this Section 2 are the only rights granted under
    this License. No additional rights or licenses will be implied from the
    distribution or licensing of Covered Software under this License.
    Notwithstanding Section 2.1(b) above, no patent license is granted by a
    Contributor:
    
    (a) for any code that a Contributor has removed from Covered Software;
        or
    
    (b) for infringements caused by: (i) Your and any other third party's
        modifications of Covered Software, or (ii) the combination of its
        Contributions with other software (except as part of its Contributor
        Version); or
    
    (c) under Patent Claims infringed by Covered Software in the absence of
        its Contributions.
    
    This License does not grant any rights in the trademarks, service marks,
    or logos of any Contributor (except as may be necessary to comply with
    the notice requirements in Section 3.4).
    
    2.4. Subsequent Licenses
    
    No Contributor makes additional grants as a result of Your choice to
    distribute the Covered Software under a subsequent version of this
    License (see Section 10.2) or under the terms of a Secondary License (if
    permitted under the terms of Section 3.3).
    
    2.5. Representation
    
    Each Contributor represents that the Contributor believes its
    Contributions are its original creation(s) or it has sufficient rights
    to grant the rights to its Contributions conveyed by this License.
    
    2.6. Fair Use
    
    This License is not intended to limit any rights You have under
    applicable copyright doctrines of fair use, fair dealing, or other
    equivalents.
    
    2.7. Conditions
    
    Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
    in Section 2.1.
    
    3. Responsibilities
    -------------------
    
    3.1. Distribution of Source Form
    
    All distribution of Covered Software in Source Code Form, including any
    Modifications that You create or to which You contribute, must be under
    the terms of this License. You must inform recipients that the Source
    Code Form of the Covered Software is governed by the terms of this
    License, and how they can obtain a copy of this License. You may not
    attempt to alter or restrict the recipients' rights in the Source Code
    Form.
    
    3.2. Distribution of Executable Form
    
    If You distribute Covered Software in Executable Form then:
    
    (a) such Covered Software must also be made available in Source Code
        Form, as described in Section 3.1, and You must inform recipients of
        the Executable Form how they can obtain a copy of such Source Code
        Form by reasonable means in a timely manner, at a charge no more
        than the cost of distribution to the recipient; and
    
    (b) You may distribute such Executable Form under the terms of this
        License, or sublicense it under different terms, provided that the
        license for the Executable Form does not attempt to limit or alter
        the recipients' rights in the Source Code Form under this License.
    
    3.3. Distribution of a Larger Work
    
    You may create and distribute a Larger Work under terms of Your choice,
    provided that You also comply with the requirements of this License for
    the Covered Software. If the Larger Work is a combination of Covered
    Software with a work governed by one or more Secondary Licenses, and the
    Covered Software is not Incompatible With Secondary Licenses, this
    License permits You to additionally distribute such Covered Software
    under the terms of such Secondary License(s), so that the recipient of
    the Larger Work may, at their option, further distribute the Covered
    Software under the terms of either this License or such Secondary
    License(s).
    
    3.4. Notices
    
    You may not remove or alter the substance of any license notices
    (including copyright notices, patent notices, disclaimers of warranty,
    or limitations of liability) contained within the Source Code Form of
    the Covered Software, except that You may alter any license notices to
    the extent required to remedy known factual inaccuracies.
    
    3.5. Application of Additional Terms
    
    You may choose to offer, and to charge a fee for, warranty, support,
    indemnity or liability obligations to one or more recipients of Covered
    Software. However, You may do so only on Your own behalf, and not on
    behalf of any Contributor. You must make it absolutely clear that any
    such warranty, support, indemnity, or liability obligation is offered by
    You alone, and You hereby agree to indemnify every Contributor for any
    liability incurred by such Contributor as a result of warranty, support,
    indemnity or liability terms You offer. You may include additional
    disclaimers of warranty and limitations of liability specific to any
    jurisdiction.
    
    4. Inability to Comply Due to Statute or Regulation
    ---------------------------------------------------
    
    If it is impossible for You to comply with any of the terms of this
    License with respect to some or all of the Covered Software due to
    statute, judicial order, or regulation then You must: (a) comply with
    the terms of this License to the maximum extent possible; and (b)
    describe the limitations and the code they affect. Such description must
    be placed in a text file included with all distributions of the Covered
    Software under this License. Except to the extent prohibited by statute
    or regulation, such description must be sufficiently detailed for a
    recipient of ordinary skill to be able to understand it.
    
    5. Termination
    --------------
    
    5.1. The rights granted under this License will terminate automatically
    if You fail to comply with any of its terms. However, if You become
    compliant, then the rights granted under this License from a particular
    Contributor are reinstated (a) provisionally, unless and until such
    Contributor explicitly and finally terminates Your grants, and (b) on an
    ongoing basis, if such Contributor fails to notify You of the
    non-compliance by some reasonable means prior to 60 days after You have
    come back into compliance. Moreover, Your grants from a particular
    Contributor are reinstated on an ongoing basis if such Contributor
    notifies You of the non-compliance by some reasonable means, this is the
    first time You have received notice of non-compliance with this License
    from such Contributor, and You become compliant prior to 30 days after
    Your receipt of the notice.
    
    5.2. If You initiate litigation against any entity by asserting a patent
    infringement claim (excluding declaratory judgment actions,
    counter-claims, and cross-claims) alleging that a Contributor Version
    directly or indirectly infringes any patent, then the rights granted to
    You by any and all Contributors for the Covered Software under Section
    2.1 of this License shall terminate.
    
    5.3. In the event of termination under Sections 5.1 or 5.2 above, all
    end user license agreements (excluding distributors and resellers) which
    have been validly granted by You or Your distributors under this License
    prior to termination shall survive termination.
    
    ************************************************************************
    *                                                                      *
    *  6. Disclaimer of Warranty                                           *
    *  -------------------------                                           *
    *                                                                      *
    *  Covered Software is provided under this License on an "as is"       *
    *  basis, without warranty of any kind, either expressed, implied, or  *
    *  statutory, including, without limitation, warranties that the       *
    *  Covered Software is free of defects, merchantable, fit for a        *
    *  particular purpose or non-infringing. The entire risk as to the     *
    *  quality and performance of the Covered Software is with You.        *
    *  Should any Covered Software prove defective in any respect, You     *
    *  (not any Contributor) assume the cost of any necessary servicing,   *
    *  repair, or correction. This disclaimer of warranty constitutes an   *
    *  essential part of this License. No use of any Covered Software is   *
    *  authorized under this License except under this disclaimer.         *
    *                                                                      *
    ************************************************************************
    
    ************************************************************************
    *                                                                      *
    *  7. Limitation of Liability                                          *
    *  --------------------------                                          *
    *                                                                      *
    *  Under no circumstances and under no legal theory, whether tort      *
    *  (including negligence), contract, or otherwise, shall any           *
    *  Contributor, or anyone who distributes Covered Software as          *
    *  permitted above, be liable to You for any direct, indirect,         *
    *  special, incidental, or consequential damages of any character      *
    *  including, without limitation, damages for lost profits, loss of    *
    *  goodwill, work stoppage, computer failure or malfunction, or any    *
    *  and all other commercial damages or losses, even if such party      *
    *  shall have been informed of the possibility of such damages. This   *
    *  limitation of liability shall not apply to liability for death or   *
    *  personal injury resulting from such party's negligence to the       *
    *  extent applicable law prohibits such limitation. Some               *
    *  jurisdictions do not allow the exclusion or limitation of           *
    *  incidental or consequential damages, so this exclusion and          *
    *  limitation may not apply to You.                                    *
    *                                                                      *
    ************************************************************************
    
    8. Litigation
    -------------
    
    Any litigation relating to this License may be brought only in the
    courts of a jurisdiction where the defendant maintains its principal
    place of business and such litigation shall be governed by laws of that
    jurisdiction, without reference to its conflict-of-law provisions.
    Nothing in this Section shall prevent a party's ability to bring
    cross-claims or counter-claims.
    
    9. Miscellaneous
    ----------------
    
    This License represents the complete agreement concerning the subject
    matter hereof. If any provision of this License is held to be
    unenforceable, such provision shall be reformed only to the extent
    necessary to make it enforceable. Any law or regulation which provides
    that the language of a contract shall be construed against the drafter
    shall not be used to construe this License against a Contributor.
    
    10. Versions of the License
    ---------------------------
    
    10.1. New Versions
    
    Mozilla Foundation is the license steward. Except as provided in Section
    10.3, no one other than the license steward has the right to modify or
    publish new versions of this License. Each version will be given a
    distinguishing version number.
    
    10.2. Effect of New Versions
    
    You may distribute the Covered Software under the terms of the version
    of the License under which You originally received the Covered Software,
    or under the terms of any subsequent version published by the license
    steward.
    
    10.3. Modified Versions
    
    If you create software not governed by this License, and you want to
    create a new license for such software, you may create and use a
    modified version of this License if you rename the license and remove
    any references to the name of the license steward (except to note that
    such modified license differs from this License).
    
    10.4. Distributing Source Code Form that is Incompatible With Secondary
    Licenses
    
    If You choose to distribute Source Code Form that is Incompatible With
    Secondary Licenses under the terms of this version of the License, the
    notice described in Exhibit B of this License must be attached.
    
    Exhibit A - Source Code Form License Notice
    -------------------------------------------
    
        This Source Code Form is subject to the terms of the Mozilla Public
        License, v. 2.0. If a copy of the MPL was not distributed with this
        file, You can obtain one at http://mozilla.org/MPL/2.0/.
    
    If it is not possible or desirable to put the notice in a particular
    file, then You may include the notice in a location (such as a LICENSE
    file in a relevant directory) where a recipient would be likely to look
    for such a notice.
    
    You may add additional accurate notices of copyright ownership.
    
    Exhibit B - "Incompatible With Secondary Licenses" Notice
    ---------------------------------------------------------
    
        This Source Code Form is "Incompatible With Secondary Licenses", as
        defined by the Mozilla Public License, v. 2.0.
</pre>

<h1>simpleuv</h1>
<pre>
    https://github.com/huxingyi/simpleuv
</pre>

<h1>squeezer</h1>
<pre>
    https://github.com/huxingyi/squeezer
</pre>

<h1>Jukka Jylänki</h1>
<pre>
    https://github.com/juj/RectangleBinPack
</pre>

<h1>Eigen</h1>
<pre>
    Eigen is Free Software. Starting from the 3.1.1 version, it is licensed under the MPL2, which is a simple weak copyleft license. Common questions about the MPL2 are answered in the official MPL2 FAQ.
    Earlier versions were licensed under the LGPL3+.
    Note that currently, a few features rely on third-party code licensed under the LGPL: SimplicialCholesky, AMD ordering, and constrained_cg. Such features can be explicitly disabled by compiling with the EIGEN_MPL2_ONLY preprocessor symbol defined. Furthermore, Eigen provides interface classes for various third-party libraries (usually recognizable by the <Eigen/*Support> header name). Of course you have to mind the license of the so-included library when using them.
    Virtually any software may use Eigen. For example, closed-source software may use Eigen without having to disclose its own source code. Many proprietary and closed-source software projects are using Eigen right now, as well as many BSD-licensed projects.
    See the MPL2 FAQ for more information, and do not hesitate to contact us if you have any questions.
</pre>

<h1>fbx</h1>
<pre>
    MIT License

    Copyright (c) 2017 Jakub Skořepa

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
</pre>

<h1>miniz</h1>
<pre>
    Copyright 2013-2014 RAD Game Tools and Valve Software
    Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC

    All Rights Reserved.

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
</pre>

<h1>Martijn Buijs</h1>
<pre>
    http://www.bytehazard.com/articles/wnormals100.ms
</pre>

<h1>Blender</h1>
<pre>
    https://web.archive.org/web/20160605023014/https://wiki.blender.org/index.php/User:Mont29/Foundation/FBX_File_Structure
    https://web.archive.org/web/20160611232855/http://code.blender.org:80/2013/08/fbx-binary-file-format-specification
</pre>

<h1>Daniele Vettorel</h1>
<pre>
    https://banexdevblog.wordpress.com/2014/06/23/a-quick-tutorial-about-the-fbx-ascii-format/
</pre>

<h1>Tianyu Lang</h1>
<pre>
    https://www.gamedev.net/articles/programming/graphics/how-to-work-with-fbx-sdk-r3582
</pre>

<h1>crc64</h1>
<pre>
    /* Redis uses the CRC64 variant with "Jones" coefficients and init value of 0.
    *
    * Specification of this CRC64 variant follows:
    * Name: crc-64-jones
    * Width: 64 bites
    * Poly: 0xad93d23594c935a9
    * Reflected In: True
    * Xor_In: 0xffffffffffffffff
    * Reflected_Out: True
    * Xor_Out: 0x0
    * Check("123456789"): 0xe9c6d914c4b8d9ca
    *
    * Copyright (c) 2012, Salvatore Sanfilippo <antirez at gmail dot com>
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions are met:
    *
    *   * Redistributions of source code must retain the above copyright notice,
    *     this list of conditions and the following disclaimer.
    *   * Redistributions in binary form must reproduce the above copyright
    *     notice, this list of conditions and the following disclaimer in the
    *     documentation and/or other materials provided with the distribution.
    *   * Neither the name of Redis nor the names of its contributors may be used
    *     to endorse or promote products derived from this software without
    *     specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    * POSSIBILITY OF SUCH DAMAGE. */
</pre>

<h1>Birdy</h1>
<pre>
    http://bediyap.com/programming/convert-quaternion-to-euler-rotations/
</pre>

<h1>Eadweard Muybridge</h1>
<pre>
    https://en.wikipedia.org/wiki/Eadweard_Muybridge
</pre>

<h1>QuickJS</h1>
<pre>
    #
    # QuickJS Javascript Engine
    # 
    # Copyright (c) 2017-2019 Fabrice Bellard
    # Copyright (c) 2017-2019 Charlie Gordon
    #
    # Permission is hereby granted, free of charge, to any person obtaining a copy
    # of this software and associated documentation files (the "Software"), to deal
    # in the Software without restriction, including without limitation the rights
    # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    # copies of the Software, and to permit persons to whom the Software is
    # furnished to do so, subject to the following conditions:
    #
    # The above copyright notice and this permission notice shall be included in
    # all copies or substantial portions of the Software.
    #
    # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    # THE SOFTWARE.
</pre>

<h1>three.js</h1>
<pre>
    The MIT License

    Copyright © 2010-2019 three.js authors

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
</pre>

<h1>bullet3</h1>
<pre>
    The files in this repository are licensed under the zlib license, except for the files under 'Extras' and examples/ThirdPartyLibs.

    Bullet Continuous Collision Detection and Physics Library
    http://bulletphysics.org

    This software is provided 'as-is', without any express or implied warranty.
    In no event will the authors be held liable for any damages arising from the use of this software.
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it freely,
    subject to the following restrictions:

    1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.
</pre>

<h1>A. Nasri1∗, M. Sabin2 and Z. Yasseen1</h1>
<pre>
    Filling N-Sided Regions by Quad Meshes for Subdivision Surfaces
    https://doi.org/10.1111/j.1467-8659.2009.01417.x
</pre>

<h1>Coons patch</h1>
<pre>
    https://en.wikipedia.org/wiki/Coons_patch
</pre>

<h1>T. Y. ZHANG and C. Y. SUEN</h1>
<pre>
    A Fast Parallel Algorithm for Thinning Digital Patterns
    https://dl.acm.org/citation.cfm?id=358023
</pre>

<h1>Huang, Jingwei and Zhou, Yichao and Niessner, Matthias and Shewchuk, Jonathan Richard and Guibas, Leonidas J.</h1>
<pre>
    QuadriFlow: A Scalable and Robust Method for Quadrangulation
    http://stanford.edu/~jingweih/papers/quadriflow/
</pre>

<h1>instant-meshes</h1>
<pre>
    Copyright (c) 2015 Wenzel Jakob, Daniele Panozzo, Marco Tarini,
    and Olga Sorkine-Hornung. All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

    3. Neither the name of the copyright holder nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    You are under no obligation whatsoever to provide any bug fixes, patches, or
    upgrades to the features, functionality or performance of the source code
    ("Enhancements") to anyone; however, if you choose to make your Enhancements
    available either publicly, or directly to the authors of this software, without
    imposing a separate written license agreement for such Enhancements, then you
    hereby grant the following license: a non-exclusive, royalty-free perpetual
    license to install, use, modify, prepare derivative works, incorporate into
    other computer software, distribute, and sublicense such enhancements or
    derivative works thereof, in binary and source code form.
</pre>

<h1>FastMassSpring</h1>
<pre>
    MIT License

    Copyright (c) 2019 Samer Itani

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.
</pre>

<h1>Greg Zaal</h1>
<pre>
    https://hdrihaven.com/hdri/?h=cedar_bridge
</pre>

<h1>QtSingleApplication</h1>
<pre>
    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the Qt Solutions component.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/
</pre>

<h1>Qt-Color-Widgets</h1>
<pre>
    Linking this library statically or dynamically with other modules is making a
    combined work based on this library. Thus, the terms and conditions of the
    GNU Lesser General Public License version 3 cover the whole combination.

    As a special exception, the copyright holders of this library give you
    permission to combine this library with independent
    modules to produce an executable, and to copy and distribute the resulting
    executable under terms of any of the GNU General Public licenses, as published
    by the Free Software Foundation, provided that you also meet,
    for each linked independent module, the terms and conditions of the license of
    that module. An independent module is a module which is not derived from or
    based on this library. If you modify this library, you may extend this
    exception to your version of the library, but you are not obliged to do so.
    If you do not wish to do so, delete this exception statement from your version.
</pre>

<h1>Prashanth Udupa</h1>
<pre>
    https://www.vcreatelogic.com/index.php/2020/02/28/leveraging-shadow-maps-in-qt-without-using-qopenglframebufferobject/
</pre>

<h1>Ahmad Abdul Karim, Alexandre Meyer, Thibaut Gaudin, Axel Buendia and Saida Bouakaz</h1>
<pre>
    Generic Spine Model with Simple Physics for Life-Like Quadrupeds and Reptiles
    https://www.ahmadabdulkarim.com/?page_id=16
</pre>

<h1>gman</h1>
<pre>
    https://stackoverflow.com/questions/53115467/how-to-implement-texturecube-using-6-sampler2d
</pre>